<?php
class XErrorCode {
	const NONE 				=  0;
	const UNKNOWN 			= -1;
	const SYSTEM 			= -2;
	const NO_PERMISSION 	= -3;
	const WRONG_ARGUMENT	= -4;
	const USER_OFFLINE		= -5;
	const USER_ONLINE		= -6;
	const UNKNOWN_ACTION	= -7;
	const DATABASE			= -8;
	const WRONG_PASSWORD	= -9;
}